Merge pull request #13 from BlakvGhost/add-validation-error-message-l…

…anguage-on-Validator-constructor

Add feature to add default language for validation message

README.md

@@ -11,7 +11,6 @@
 
 </div>
 
-
 ## About PHPValidator
 
 PHPValidator is a modern PHP library for data validation in your PHP applications. It provides a flexible and extensible way to validate data using predefined rules or by creating custom validation rules.
@@ -58,7 +57,8 @@ try {
 }
 
 ```
-You can also customize the validation error messages
+
+You can also customize the validation error messages or `specify the default language`
 
 ```php
 $data = [
@@ -77,6 +77,9 @@ $validator = new Validator(
             ],
         ]
     );
+
+    // For the default language
+    $validator = new Validator($data, $rules, lang: 'fr');
 ```
 
 ## Features
@@ -87,7 +90,6 @@ $validator = new Validator(
 
 - `Multilingual Support`: Customize validation error messages based on the application's language using the `LangManager`.
 
-
 ## List of Predefined Rules
 
 PHPValidator provides a variety of predefined rules that you can use for data validation. Here is a list of some commonly used rules along with examples of their usage:
@@ -210,25 +212,27 @@ PHPValidator provides a variety of predefined rules that you can use for data va
     ```php
     'password_confirmation' => 'same:password'
     ```
+
 18. **Max Length Rule**
     - Specifies the minimum length of a string field.
 
     ```php
     'username' => 'min:8'
-    ```	
+    ``` 
+
 19. **Not In Rule**
     - Validates that a field's value is not in a specified set.
 
     ```php
     'value' => 'not_in:foo,bar'
-    ```	
+    ``` 
+
 20. **Required With Rule**
     - Requires the field to be present if another specified field is present.
 
-
     ```php
     'firstname' => 'required_with:lastname',
-    ```	
+    ``` 
 
 21. **Valid IP Rule**
     - Validates that a field's value is a valid IP address.
@@ -242,29 +246,30 @@ PHPValidator provides a variety of predefined rules that you can use for data va
 
     ```php
     'config' => 'json',
-    ```	
+    ``` 
 
 23. **URL Rule**
     - Validates that a field's value is a valid URL.
 
     ```php
     'website' => 'url',
-    ```	
+    ``` 
+
 24. **Alpha Numeric Rule**
 
     - Validates that a field's value contains only alphanumeric characters.
 
     ```php
     'pseudo' => 'alpha_num',
-    ```	
+    ``` 
 
 25. **Boolean Rule**
 
     - Validates that a field's value is a boolean.
 
     ```php
     'is_admin' => 'bool',
-    ```	
+    ``` 
 
 26. **Size Rule**
     - Validates that the size of a string, integer, array, or file is equal to a specified value.
@@ -276,7 +281,8 @@ PHPValidator provides a variety of predefined rules that you can use for data va
             'array' =>'size:7', // count(array) == 7
             'file' =>'size:512', // file size (kb) == 512
         ]
-    ```	
+    ``` 
+
 ## Custom Rule
 
 In addition to the predefined rules, you can create custom validation rules by implementing the `Rule` Interface. Here's an example of how to create and use a custom rule:
@@ -311,6 +317,7 @@ class CustomPasswordRule implements Rule
     }
 }
 ```
+
 ### Usage in Validator
 
 - Use your custom class directly
@@ -348,6 +355,7 @@ class CustomPasswordRule implements Rule
         echo "Validation error: " . $e->getMessage();
     }
     ```
+
 - Add your custom class to the rules list and use it as if it were native
 
     ```php
@@ -393,12 +401,10 @@ If you would like to contribute to PHPValidator, please follow our [Contribution
 
 - [Kabirou ALASSANE](https://github.com/BlakvGhost)
 
-
 ## Support
 
 For support, you can reach out to me by email at <dev@kabirou-alassane.com>. Feel free to contact me if you have any questions or need assistance with PHPValidator.
 
 ## License
 
 PHPValidator is open-source software licensed under the MIT license.
-

src/Lang/Lang.php

@@ -29,7 +29,7 @@ trait Lang
             'validation.required_with' => "Le champ :attribute est requis avec le champ :value.",
             'validation.max_length_rule' => "Le champ :attribute ne doit pas dépasser :max caractères.",
             'validation.min_length_rule' => "Le champ :attribute doit dépasser :min caractères.",
-            'validation.email_rule' => "Le champ :attribute doit être un e-mail.",
+            'validation.email_rule' => "Le champ :attribute doit être un e-mail valide.",
             'validation.accepted' => "Le champ :attribute doit être accepté.",
             'validation.accepted_if' => "Le champ :attribute doit être accepté uniquement si :other existe et vrai.",
             'validation.same_rule' => "Le champ :attribute doit être identique au champ :otherAttribute.",
@@ -60,7 +60,7 @@ trait Lang
             'validation.required_with' => "The :attribute field is required along with the :value field.",
             'validation.max_length_rule' => "The :attribute field must not exceed :max characters.",
             'validation.min_length_rule' => "The :attribute field must exceed :min characters.",
-            'validation.email_rule' => "The :attribute field must be an email.",
+            'validation.email_rule' => "The :attribute field must be a valid email.",
             'validation.accepted' => "The :attribute field must be accepted.",
             'validation.accepted_if' => "The :attribute field must be accepted if :other.",
             'validation.same_rule' => "The :attribute field must be identical to the :otherAttribute field.",

src/Lang/LangManager.php

@@ -16,6 +16,8 @@ class LangManager
 
     use Lang;
 
+    static public $lang = 'en';
+
     /**
      * Get the current language.
      *
@@ -24,7 +26,7 @@ class LangManager
     private static function getLocal(): string
     {
         // Get the current language from environment variables, defaulting to 'en' (English) if not set.
-        return $_ENV['local'] ?? 'en';
+        return self::$lang ?? $_ENV['local'];
     }
 
     /**

src/Validator.php

@@ -19,7 +19,9 @@
 class Validator extends RulesMaped
 {
 
-    private $errors = [];
+    private array $errors = [];
+
+    private const LANGUAGE = 'en';
 
     /**
      * Constructor of the Validator class.
@@ -31,8 +33,10 @@ class Validator extends RulesMaped
     public function __construct(
         private array $data,
         private array $rules,
-        private array $messages = []
+        private array $messages = [],
+        private string $lang = self::LANGUAGE,
     ) {
+        LangManager::$lang = $this->lang;
         $this->validateConstructorInputs();
         $this->validate();
     }
@@ -137,11 +141,15 @@ protected function checkPasses(mixed $validator, string $field, ?string $ruleNam
     protected function validateConstructorInputs()
     {
         if (empty($this->data)) {
-            throw new ValidatorException(LangManager::getTranslation('validation.empty_data'));
+            throw new ValidatorException(
+                LangManager::getTranslation('validation.empty_data')
+            );
         }
 
         if (empty($this->rules)) {
-            throw new ValidatorException(LangManager::getTranslation('validation.empty_rules'));
+            throw new ValidatorException(
+                LangManager::getTranslation('validation.empty_rules')
+            );
         }
     }
 

tests/Feature/RuleTest.php

@@ -38,7 +38,7 @@
     $validator = new Validator(['email' => 'test@example.com'], ['email' => 'email']);
     expect($validator->isValid())->toBeTrue();
 
-    $validator = new Validator(['email' => 'invalid-email'], ['email' => 'email']);
+    $validator = new Validator(['email' => 'invalid-email'], ['email' => 'email'], lang:'fr');
     expect($validator->isValid())->toBeFalse();
 
     expect($validator->getErrors()['email'][0])->toBe(